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Finding the Fourth Proportional to 17,149.98, 25,768.02 and 10,912.70

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Solution

The fourth proportional to 17,149.98, 25,768.02 and 10,912.70 is: 16,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.98 : 25,768.02 = 10,912.70 : x
  2. Step 2: Convert to fraction form
    17,149.98/25,768.02 = 10,912.70/x
  3. Step 3: Cross multiply
    17,149.98x = 25,768.02 × 10,912.70
  4. Step 4: Simplify right side
    17,149.98x = 281,198,671.85
  5. Step 5: Solve for x
    x = 281,198,671.85/17,149.98
  6. Step 6: Final answer
    x = 16,396.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.